| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=avx | FileCheck %s --check-prefixes=AVX,AVX1 |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=avx512f,avx512vl | FileCheck %s --check-prefixes=AVX,AVX512 |
| |
| ; PR37751 - https://bugs.llvm.org/show_bug.cgi?id=37751 |
| ; We can't combine into 'round' instructions because the behavior is different for out-of-range values. |
| |
| declare <8 x i32> @llvm.x86.avx.cvtt.ps2dq.256(<8 x float>) |
| declare <4 x i32> @llvm.x86.avx.cvtt.pd2dq.256(<4 x double>) |
| |
| define <8 x float> @float_to_int_to_float_mem_v8f32(<8 x float>* %p) #0 { |
| ; AVX-LABEL: float_to_int_to_float_mem_v8f32: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vcvttps2dq (%rdi), %ymm0 |
| ; AVX-NEXT: vcvtdq2ps %ymm0, %ymm0 |
| ; AVX-NEXT: retq |
| %x = load <8 x float>, <8 x float>* %p, align 16 |
| %fptosi = tail call <8 x i32> @llvm.x86.avx.cvtt.ps2dq.256(<8 x float> %x) |
| %sitofp = sitofp <8 x i32> %fptosi to <8 x float> |
| ret <8 x float> %sitofp |
| } |
| |
| define <8 x float> @float_to_int_to_float_reg_v8f32(<8 x float> %x) #0 { |
| ; AVX-LABEL: float_to_int_to_float_reg_v8f32: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vcvttps2dq %ymm0, %ymm0 |
| ; AVX-NEXT: vcvtdq2ps %ymm0, %ymm0 |
| ; AVX-NEXT: retq |
| %fptosi = tail call <8 x i32> @llvm.x86.avx.cvtt.ps2dq.256(<8 x float> %x) |
| %sitofp = sitofp <8 x i32> %fptosi to <8 x float> |
| ret <8 x float> %sitofp |
| } |
| |
| define <4 x double> @float_to_int_to_float_mem_v4f64(<4 x double>* %p) #0 { |
| ; AVX-LABEL: float_to_int_to_float_mem_v4f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vcvttpd2dqy (%rdi), %xmm0 |
| ; AVX-NEXT: vcvtdq2pd %xmm0, %ymm0 |
| ; AVX-NEXT: retq |
| %x = load <4 x double>, <4 x double>* %p, align 16 |
| %fptosi = tail call <4 x i32> @llvm.x86.avx.cvtt.pd2dq.256(<4 x double> %x) |
| %sitofp = sitofp <4 x i32> %fptosi to <4 x double> |
| ret <4 x double> %sitofp |
| } |
| |
| define <4 x double> @float_to_int_to_float_reg_v4f64(<4 x double> %x) #0 { |
| ; AVX-LABEL: float_to_int_to_float_reg_v4f64: |
| ; AVX: # %bb.0: |
| ; AVX-NEXT: vcvttpd2dq %ymm0, %xmm0 |
| ; AVX-NEXT: vcvtdq2pd %xmm0, %ymm0 |
| ; AVX-NEXT: retq |
| %fptosi = tail call <4 x i32> @llvm.x86.avx.cvtt.pd2dq.256(<4 x double> %x) |
| %sitofp = sitofp <4 x i32> %fptosi to <4 x double> |
| ret <4 x double> %sitofp |
| } |
| |
| attributes #0 = { "no-signed-zeros-fp-math"="true" } |
| |